One particular drug is in many non-prescription medications, making it easy to get more than the 4000 milligrams per day linked to health problems and the recommended 3250-milligram daily maximum. A painkiller contains 700 milligrams of the drug per pill. A cold medicine contains 325 milligrams of the drug per pill.

a. What is the maximum number of painkiller pills that should be taken in 24 hours?

b. If you take one painkiller pill per hour for three hours, what is the maximum number of cold medicine pills that should be taken for the remainder of 24 hours?

a. __________ painkiller pills (Type a whole number.)